diff --git a/.script/tests/KqlvalidationsTests/CustomTables/BoxEvents.json b/.script/tests/KqlvalidationsTests/CustomTables/BoxEvents.json
index 959ff515d8..f90b07cddd 100644
--- a/.script/tests/KqlvalidationsTests/CustomTables/BoxEvents.json
+++ b/.script/tests/KqlvalidationsTests/CustomTables/BoxEvents.json
@@ -5,6 +5,10 @@
             "Name": "TimeGenerated",
             "Type": "DateTime"
         },
+        {
+            "name": "EventEndTime",
+            "type": "string"
+        },
         {
             "Name": "AdditionalDetailsAnnotationId",
             "Type": "Double"